<template>
    <div>
        <!-- 面包屑 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 面包屑 -->


        <!-- 卡片试图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>

                </el-col>
            </el-row>


            <!-- table表格区域 -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="140px">
                    <template slot-scope="scope">
                        {{scope.row.add_time|dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页区域 -->
            <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total=total background>

            </el-pagination>
            
        </el-card>

    </div>
</template>

<script>
export default {
    data(){
        return{
            //查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            //商品列表
            goodslist:[],
            //总数据条数
            total:0


        }
    },
    methods:{
        //根据分页获取对应的商品列表
        async getGoodsList(){
          const {data:res}= await this.$http.get('goods',{params:this.queryInfo})

            if(res.meta.status !==200){
                return this.$message.error('获取商品列表失败')
            }
                // this.$message.success('获取商品列表成功')
                console.log(res.data)
                this.goodslist=res.data.goods
                this.total=res.data.total
        },
        //
        handleSizeChange(newSize){
            this.queryInfo.pagesize=newSize
            this.getGoodsList()
        },
        //页码改变事件
        handleCurrentChange(newPage){
            this.queryInfo.pagenum=newPage
            this.getGoodsList()
        },
        //删除
        async removeById(id){
        //弹框询问用户是否删除
        const confirmResult = await this.$confirm('此操作将永久删除该角色, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=> err)
        //如果用户点了确定删除，则返回值为字符串 confirm
        //如果用户点了取消删除，则返回值为字符串 cancel
        if(confirmResult !="confirm"){
            return this.$message.info('已取消删除')
        }
        const {data:res} = await this.$http.delete(`goods/${id}`)
        if(res.meta.status!==200){
        return this.$message.error('删除失败')
        }
        this.$message.success('删除成功')
        //重新获取用户列表的数据
        this.getGoodsList();
        },
        //点击添加按钮跳转
        goAddpage(){
            this.$router.push('/goods/add')
        }

    },
    created(){
        this.getGoodsList()
    }

}
</script>

<style lang="less" scoped>
.el-breadcrumb{
    margin-bottom: 15px;
    font-size: 12px;
}
.el-card{
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.15) !important;
}
.el-table{
    margin-top: 15px;
    font-size: 12px;
}
</style>